Public bug reported: It appears that if you enable dynamic memory on Hyper-V, and then run the top command then load metrics may always show 1 for the 1 minute average (See attached image). This is because the ballooning mechanism sleeps in uninterruptible mode which adds to the system load metric. Please use the following upstream patch to eliminate this problem:
Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly http://git.kernel.org/cgit/linux/kernel/git/next/linux- next.git/commit/drivers/hv/hv_balloon.c?id=5dba4c56dfa660a85dc8e897990948cdec3734bf Regards, Abhishek ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1294253 Title: hyper-v: Enabling dynamic memory on Hyper-V may lead to persistent load value of 1 Status in “linux” package in Ubuntu: Confirmed Bug description: It appears that if you enable dynamic memory on Hyper-V, and then run the top command then load metrics may always show 1 for the 1 minute average (See attached image). This is because the ballooning mechanism sleeps in uninterruptible mode which adds to the system load metric. Please use the following upstream patch to eliminate this problem: Drivers: hv: Ballon: Make pressure posting thread sleep interruptibly http://git.kernel.org/cgit/linux/kernel/git/next/linux- next.git/commit/drivers/hv/hv_balloon.c?id=5dba4c56dfa660a85dc8e897990948cdec3734bf Regards, Abhishek To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1294253/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
